Midcontinent ISO Constraint Classification
Transmission
Generation
Both
Unconstrained
Data Centers
Operational
Proposed
Construction
Transmission Lines
765 kV+
500 kV
345 kV
230 kV
Pnode Severity Tier
Critical (≥0.75)
Elevated (≥0.50)
Moderate (≥0.25)
Low (<0.25)
Marker size = severity score